Pipe-vise



A. BEARD.

PIPE VISE.

Patented Feb. !13, 1 883.

(No Model.)

INVBNTOR ATTORNEYS f WITNESS a. 5/ x5;

UNITED STATES PATENT OFFICE.

ALFRED BEARD, or DANVILLE, ILLINOIS.-

PIPE-VISE.

SPECIFICATION forming part of Letters Patent No. 272,193, dated February 13, 1883,

Application filed December 23, 1882. (No model.)

10 all whom "it may concern:

Be it known that I, ALFRED BEARD, of Danville, in the county of Vermilion and State of Illinois, have invented a new and useful Improvement in Pipe-Vises, of which the following is a full, clear, and exact description.

Reference is to be had to the accompanying drawings, forming part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.

Figure l is a sectional elevation of my new and improved vise made with an open frame. Fig. 2 is a front elevation of the same. Fig. 3 is a side elevation of my improved vise made 1 with a closed frame, and Fig. 4 is a front elevation of the same.

This invention consists, principally, of a pipevise having a double-inclined self sliding or shifting jaw, whereby the power put on the pipe held in the vise will tend to cause the pipe to be held with still greater firmness than by the screw alone, thus obviating all danger of the pipe turning between the jaws and becoming marred and injured.

2 The invention also consists in the construction, arrangement, and combination of the parts of the vise, as hereinafter described and claimed.

- In case the vise is intended for light work the open frame A will be used, so that the work may be placed sidewise between the jaws B C; but when intended for heavy work the continuous closed heavy frame D (shown in Figs. 3 and 4) will be used, in which the 3 5 work has to be placed. endwise between the jaws.v Thejaw B is constructed or made with double inclines on its lower edge orcontactsurface with the work, and has the lower end of the screw E swiveled to it in the ordinary o manner. In the style of vise shown in Figs.

' 1 and 2 the jaw B is formed with the single side arm, I), which moves between the vertical uprights G G, for causing it to have a true movement up or down when the screw is 5 turned, while in the form shown in Figs. Sand 4 the jaw B has the two opposite side arms, I) b, which move between the two opposite pairs ofuprights JJ for the like purpose. Thelower jaw, O, is formed with the notched double inclines c c, and with the thin flat end pieces,

a a, and rests flat upon the bed-piece K of the frame, with the end pieces, a a, reaching under the cross-pinsff, which pins serve to hold the jaw in place, but do not interfere in any manner with the free movement of thejaw end wise through a limited space.

In the light form of vise shown in Figs. 1 and 2 the jaw Bis formed with the threaded shank d, which reaches past the uprights G G, and has placed upon it the washer land nutj, which serve to properly face the inner edge of the jaw B against the edges of the uprights G G; but in the strong form shown in Figs.

3 and 4such construction is not needed, since the jaw is sufficiently guided by the two arms b b, running between the two sets of uprights J J.

The jaw 0 having double inclines and being held loosely in the frame of the vise, it will be seen that when turning-power is ap- 7o plied to a pipe grasped between thejaws any tendency of the pipe to turn will cause the jaw G to slide with the pipe,' causing the inclines to grasp the pipe with increasing firmness, according to the power applied to the pipe, so that there will be no danger of the pipe slippingor turning between thejaws, and being thereby cut or injured, as it is liable to do in vises of ordinary construction. Besides, the vise is very strong, simple, and cheap, and in the light vises the work may be placed sidewise between thejaws, which is often a great advantage and saving of time, and the jaws may be easily removed and the notches or teeth sharpened when they become worn and dull.

The frame is to be of malleable iron and the serratedjaw O of steel.

For light work the movable jaw B may be made deeper, as shown in dotted lines in Fig. l, and the side arm, b, placed as low down as 0 possible for a better resistance to the backpressure.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent,is.

1. In a pipe-vise, the combination, with the movablejaw B, of the double-inclined sliding or shifting jaw C, substantially as and for the purposes set forth.

2.-In a pipe-vise, the jaw 0, formed with the I00 cross-pins ff, and screw E, in combination with the sliding double-inclined shifting jaw U and movable jaw B, formed with the guidearm b, and held in place by the nutj and washer i, as set forth.

ALFRED BEARD.

Witnesses:

JOSEPH B. GREER, EMANUEL ZORBAUGH. 

